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Montana Biosolids

State Data

Confidence in data for this state:

HIGH

2018 data unless noted.

Definitions

Terms used on this website and in data sets are defined & discussed here.

State Statistics Dashboard

State Summary

● In 2018, a total of 10,700 dry metric tons (dmt) of biosolids were tracked, with 46% land applied and 54% going to landfills. An estimated few hundred additional dmt went to landfill or land application from small mechanical plants and one-time lagoon clean-out operations that were not required to report, resulting in a rounded estimate of 11,000 dmt for that year.

● Three larger communities account for most of the landfilled solids: Billings, Bozeman, and Great Falls.

● Several biosolids composting operations have been successful over many years, including Missoula’s Garden City Compost, the Glacier Gold Compost in the Kalispell and Whitefish area, and compost created from Butte-Silver Bow solids.